101143202042 has 8 divisors (see below), whose sum is σ = 153216930132. Its totient is φ = 50070892000.

The previous prime is 101143202033. The next prime is 101143202089. The reversal of 101143202042 is 240202341101.

It can be written as a sum of positive squares in 2 ways, for example, as 85865994841 + 15277207201 = 293029^2 + 123601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250354259 + ... + 250354662.

Almost surely, 2^101143202042 is an apocalyptic number.

101143202042 is a deficient number, since it is larger than the sum of its proper divisors (52073728090).

101143202042 is a wasteful number, since it uses less digits than its factorization.

101143202042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500709024.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101143202042 its reverse (240202341101), we get a palindrome (341345543143).

The spelling of 101143202042 in words is "one hundred one billion, one hundred forty-three million, two hundred two thousand, forty-two".